In Japanese folklore, Oni are evil creatures such as demons, ogres, and trolls. When the Oni (delinquents) at Onigashima High get unruly, Momo hires Otogi Bank to address the issue with the student council president.
To act as a moderate threat, ensuring
that we don't grow too sheltered.
Sie ist die schleichende Bedrohung,
die uns abhalten soll,